[llvm-commits] [llvm] r136178 - /llvm/trunk/lib/CodeGen/RegAllocBasic.cpp

[Jakob Stoklund Olesen]

Author: stoklund
Date: Tue Jul 26 18:12:08 2011
New Revision: 136178

URL: http://llvm.org/viewvc/llvm-project?rev=136178&view=rev
Log:
Print out the MBB live-in registers.

Modified:
    llvm/trunk/lib/CodeGen/RegAllocBasic.cpp

Modified: llvm/trunk/lib/CodeGen/RegAllocBasic.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegAllocBasic.cpp?rev=136178&r1=136177&r2=136178&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/RegAllocBasic.cpp (original)
+++ llvm/trunk/lib/CodeGen/RegAllocBasic.cpp Tue Jul 26 18:12:08 2011
@@ -439,6 +439,7 @@
     LiveIntervalUnion &LiveUnion = PhysReg2LiveUnion[PhysReg];
     if (LiveUnion.empty())
       continue;
+    DEBUG(dbgs() << PrintReg(PhysReg, TRI) << " live-in:");
     MachineFunction::iterator MBB = llvm::next(MF->begin());
     MachineFunction::iterator MFE = MF->end();
     SlotIndex Start, Stop;
@@ -449,6 +450,8 @@
       if (SI.start() <= Start) {
         if (!MBB->isLiveIn(PhysReg))
           MBB->addLiveIn(PhysReg);
+        DEBUG(dbgs() << "\tBB#" << MBB->getNumber() << ':'
+                     << PrintReg(SI.value()->reg, TRI));
       } else if (SI.start() > Stop)
         MBB = Indexes->getMBBFromIndex(SI.start().getPrevIndex());
       if (++MBB == MFE)
@@ -456,6 +459,7 @@
       tie(Start, Stop) = Indexes->getMBBRange(MBB);
       SI.advanceTo(Start);
     }
+    DEBUG(dbgs() << '\n');
   }
 }